Fishing for Japanese fluvial sculpin

The Japanese fluvial sculpin is a small, freshwater fish typically measuring 3-5 inches and weighing up to 0.2 pounds. It has a robust, flattened body with mottled brown and gray coloration. Inhabiting cool, fast-flowing streams, it feeds on aquatic insects and small invertebrates. This species is known for its territorial behavior and preference for rocky substrates. This summary is AI generated